fgl_username() returns a CHAR(n) value, which is the user name under which the current process is being run.
This function should be used in preference to the SQL keyword USER in database statements, because the returned value of USER can be dependent on the database engine.
MAIN
DEFINE str STRING
LET str = "This process is currently run under the username: ", fgl_username()
CALL fgl_winmessage("Info",str clipped,"info")
END MAIN